Item

Specification

Test Results

1. Appearance

White crystalline powder or colourless crystals

White Powder

2. Purity (on dry base )  %

98.0-102.0

99.23

3. Melting Point  °C   

96-98

96.6

4. Residue on Ignition  % 

≤0.1

0.01

5. Sulphated Ash  %

≤0.1

0.005

6. Acidity

0.1mL

Passed

7. Identification

Passed  

Passed

8. Color of solution

Passed  

Passed

9. Related Substances  %

≤0.5

<0.1

10. Heavy Metal (Pb)  ppm

≤10

<10

11. Organic Volatile Impurities

Passed

Passed

12. Loss on Drying  %

≤0.5

0.20